Add ExtendSelectionAndDelete() method to ui::TextInputClient.

ui/views/ime/input_method_bridge.cc

Index: ui/views/ime/input_method_bridge.cc
diff --git a/ui/views/ime/input_method_bridge.cc b/ui/views/ime/input_method_bridge.cc
index ef7d5440d48a05e8d2d55635e6ccef26011050b9..438e33087af2afa573bbc2273ad82c251bd98abb 100644
--- a/ui/views/ime/input_method_bridge.cc
+++ b/ui/views/ime/input_method_bridge.cc
@@ -213,6 +213,12 @@ bool InputMethodBridge::ChangeTextDirectionAndLayoutAlignment(
       client->ChangeTextDirectionAndLayoutAlignment(direction) : false;
 }
 
+void InputMethodBridge::ExtendSelectionAndDelete(size_t before, size_t after) {
+  TextInputClient* client = GetTextInputClient();
+  if (client)
+    client->ExtendSelectionAndDelete(before, after);
+}
+
 // Overridden from FocusChangeListener.
 void InputMethodBridge::OnWillChangeFocus(View* focused_before, View* focused) {
   ConfirmCompositionText();